Testing Microsoft API Connection

Test-API-Connection.ps1

$clientId = "[REDACTED]"
$clientSecret = "[REDACTED]"
$clientState = "my-app-state"
$redirect_uri = "https://localhost:8080"
$developerToken = "[REDACTED]";

Start-Process "https://login.microsoftonline.com/common/oauth2/v2.0/authorize?client_id=$clientId&scope=openid%20profile%20https://ads.microsoft.com/msads.manage%20offline_access&response_type=code&redirect_uri=$redirect_uri&state=$clientState&prompt=login"

$code = Read-Host "Grant consent in the browser, and then enter the response URI here"
$code = $code -match 'code=(.*)\&'
$code = $Matches[1]

$response = Invoke-WebRequest https://login.microsoftonline.com/common/oauth2/v2.0/token -ContentType application/x-www-form-urlencoded -Method POST -Body "client_id=$clientId&scope=https://ads.microsoft.com/msads.manage%20offline_access&code=$code&grant_type=authorization_code&redirect_uri=$redirect_uri&client_secret=$clientSecret"

$oauthTokens = ($response.Content | ConvertFrom-Json)  
Write-Output "Access token: " $oauthTokens.access_token  
Write-Output "Access token expires in: " $oauthTokens.expires_in  
Write-Output "Refresh token: " $oauthTokens.refresh_token 

$accessToken = $oauthTokens.access_token;

[xml]$getUserRequest = 
'<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:v13="https://bingads.microsoft.com/Customer/v13">
<soapenv:Header>
   <v13:DeveloperToken>{0}</v13:DeveloperToken>
   <v13:AuthenticationToken>{1}</v13:AuthenticationToken>
</soapenv:Header>
<soapenv:Body>
   <v13:GetUserRequest>
      <v13:UserId xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
   </v13:GetUserRequest>
</soapenv:Body>
</soapenv:Envelope>' -f $developerToken, $accessToken

$headers = @{"SOAPAction" = "GetUser"}

$uri = "https://clientcenter.api.bingads.microsoft.com/Api/CustomerManagement/v13/CustomerManagementService.svc"
$response = Invoke-WebRequest $uri -Method post -ContentType 'text/xml' -Body $getUserRequest -Headers $headers
Write-Output $response.Content